


Sta 500mg Tablet
Mebendazole (500mg)
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Sta 500mg Tablet is an antiparasitic medication. It is used in the treatment of worm infections. It works by killing the worms and this treats your infection.
Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 05 Feb 2026 | 02:19 PM (IST)
Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 05 Feb 2026 | 02:19 PM (IST)
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General Information
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Product introduction
Sta 500mg Tablet should be used in the dose and duration as advised by your doctor. It should be taken with food, preferably at a fixed time. Avoid skipping any doses and finish the full course of treatment even if you feel better. Do not take a double dose to make up for a missed dose. Simply take the next dose as planned.
Some people may experience stomach pain as a side effect of this medicine. Please consult your doctor if these side effects persist for a longer duration. You may be monitored with blood tests and liver function tests throughout your treatment.
Uses of Sta Tablet
- Worm infections
Benefits of Sta Tablet
Worm infections
Sta 500mg Tablet is an antibiotic medicine which helps treat many parasitic worm infections. It works by killing and stopping the further growth of parasites causing the infection. This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even when you feel better, to make sure that all parasites are killed and do not become resistant. This medicine is generally safe to use while pregnant or breastfeeding, but you should ask your doctor.
Sta 500mg Tablet is an antibiotic medicine which helps treat many parasitic worm infections. It works by killing and stopping the further growth of parasites causing the infection. This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even when you feel better, to make sure that all parasites are killed and do not become resistant. This medicine is generally safe to use while pregnant or breastfeeding, but you should ask your doctor.
Side effects of Sta Tablet
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Sta
- Abdominal pain
How to use Sta Tablet
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Sta 500mg Tablet may be taken with or without food.
How Sta Tablet works
Sta 500mg Tablet affects the permeability of the cell membrane thereby killing the worms.
Quick tips
- You have been prescribed Sta 500mg Tablet to treat a variety of parasitic worm infections.
- It should be taken with food.
- Do not crush, chew, or break the tablet. Swallow it whole with a full glass of water.
- It can be harmful to an unborn baby. Do not take it during pregnancy. Use birth control measures to prevent pregnancy while taking Sta 500mg Tablet.
- Your doctor may monitor your blood counts and liver function before you start taking this medicine and regularly throughout your treatment.
- Avoid being near people who are sick or have infections. Inform your doctor if you develop signs of infection.
- Do not skip doses and finish the prescribed course, even if you start to feel better. Stopping it early may increase your risk of further infection.
- You have been prescribed Sta 500mg Tablet to treat a variety of parasitic worm infections.
- It should be taken with food.
- Do not crush, chew, or break the tablet. Swallow it whole with a full glass of water.
- It can be harmful to an unborn baby. Do not take it during pregnancy. Use birth control measures to prevent pregnancy while taking Sta 500mg Tablet.
- Your doctor may monitor your blood counts and liver function before you start taking this medicine and regularly throughout your treatment.
- Avoid being near people who are sick or have infections. Inform your doctor if you develop signs of infection.
- Do not skip doses and finish the prescribed course, even if you start to feel better. Stopping it early may increase your risk of further infection.
Safety advice

Alcohol
CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Sta 500mg Tablet. Please consult your doctor.

Pregnancy
CONSULT YOUR DOCTOR
The safety of Sta 500mg Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding
CAUTION
Sta 500mg Tablet should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.

Driving
UNSAFE
Sta 500mg Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney
SAFE IF PRESCRIBED
Sta 500mg Tablet is safe to use in patients with kidney disease. No dose adjustment is recommended.

Liver
CAUTION
Sta 500mg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.
Interaction with drugs
Taking Sta with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Moderate
Ritonavir (Oral Route)
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Ritonavir may reduce blood levels of Mebendazole.
Moderate
Carbamazepine (Oral Route)
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Mebendazole may increase the rate of release of Carbamazepine in the blood.
Moderate
Cimetidine (Oral Route)
If concurrent use is essential, watch out for symptoms such as dizziness, nausea, vomiting or headache and consult your doctor if you experience them. Cimetidine may raise blood levels of Mebendazole.
Moderate
Fosphenytoin (Injection Route)
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Fosphenytoin may reduce blood levels of Mebendazole.
Moderate
Phenobarbitone (Oral Route)
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Phenobarbitone may reduce blood levels of Mebendazole.
Frequently asked questions
Sta 500mg Tablet is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Sta 500mg Tablet too early, the symptoms may return or worsen.
The use of Sta 500mg Tablet is contraindicated in patients with known allergy to any other ingredients of this medicine, and if you are suffering from asthma. Tell your doctor about all of your medical conditions before taking the medicine.
Keep this medicine in the container or pack it came in, tightly closed. Store it as mentioned on the pack or label. Dispose of the unused medicine. Make sure it is not consumed by pets, children and other people.
If you forget a dose of Sta 500mg Tablet, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.
Sta 500mg Tablet is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.
Fact Box
Chemical Class
Benzophenones
Habit Forming
No
Therapeutic Class
ANTI INFECTIVES
Action Class
Antiprotozoal Agents
References
- Rosenthal PJ. Clinical Pharmacology of the Antihelmenthic Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 927-28.
- Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 846-47.
- Mebebdazole. High Wycombe, Bucks: Janssen-Cilag Ltd.; 1975 [revised 19 Nov. 2014]. [Accessed 8 Apr. 2019] (online) Available from:
- Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-98. [Accessed 29 Mar. 2019] (online) Available from:
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Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.
Marketer details
Name: JNTL Consumer Health (India) Pvt. Ltd.
Address: LBS Marg Mulund (West), Mumbai 400080, India
Address: LBS Marg Mulund (West), Mumbai 400080, India
Vendor Details
Country of origin: India
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